int 5C

Int 5C - NetBIOS INTERFACE
Int 5C - IRQ12 relocated by DESQview 2.26+
Int 5C - IRQ4 relocated by DoubleDOS
Int 5C - TOPS INTERFACE
Int 5C - ATALK.SYS - AppleTalk INTERFACE
Int 5C - IBM 802.2 INTERFACE (LLC)
Int 5C - $25 LAN - INSTALLATION CHECK
Int 5C/AX=0100h - TI Professional PC - KEYBOARD PAUSE KEY VECTOR
Int 5C/AH=04h - $25 LAN - CHECK IF CONNECTION ALIVE